What does it mean if your Jeep Wrangler radiator is not working?

What does it mean if your Jeep Wrangler radiator is not working?

Your Jeep Wrangler ‘s radiator fan has one of the most important jobs on the vehicle. It is the last line of defense between you and an overheating engine. If the radiator fan is not working, it’s a serious problem. Just because the radiator fan is not on does not mean that it is not working. They are designed to only run when needed.

What to do if your radiator fan is not working?

The first thing that you would want to do is locate the fuse for your Wrangler’s radiator fan and make sure that it hasn’t blown. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Unless the wiring issue is fixed, the fuse will blow again.

What should the thermostat be on a Jeep Wrangler?

The job of the thermostat is to monitor the engine temperature and engage the fan once it exceeds operating temperature. The Jeep Wrangler 4.0 has a cooling system that requires a 195 degree thermostat. Anything lower than that can trigger the CHECK ENGINE light. It should activate automatically as the engine temperature fluctuates.

What causes a Jeep Wrangler to overheat at idle?

When your Jeep overheats only at idle, in most cases it is the Radiator Fan Clutch that has gone bad. Overheating during idle means the fan is not pulling sufficient air through the radiator to maintain the engine operating temperature. Components that can cause your jeep Wrangler to overheat.

Where is the radiator fan on a Jeep Wrangler?

On a 2000-Up Jeep, the radiator fan is attached to the water pump pulley by a large nut and a fan wrench will be needed to loosen it. 5. The threads on your Jeep’s radiator fan are RIGHT HAND.

Your Jeep Wrangler ‘s radiator fan has one of the most important jobs on the vehicle. It is the last line of defense between you and an overheating engine. If the radiator fan is not working, it’s a serious problem. Just because the radiator fan is not on does not mean that it is not working. They are designed to only run when needed.

How to remove the fan shroud on a Jeep Wrangler?

Remove your Jeep’s radiator overflow bottle from the fan shroud and set it aside vertically so that no coolant spills out. 3. Using a 7/16″ socket, remove the 4 bolts securing your Jeep’s radiator fan shroud to the front clip.

How to make a jeep TJ 4.0L fan clutch?

1. Disconnect your Jeep’s radiator overflow bottle hose from the radiator. 2. Remove your Jeep’s radiator overflow bottle from the fan shroud and set it aside vertically so that no coolant spills out. 3. Using a 7/16″ socket, remove the 4 bolts securing your Jeep’s radiator fan shroud to the front clip.